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hinduism is one of the world ’ s oldest religions . it has complex roots , and involves a vast array of practices and a host of deities . its plethora of forms and beliefs reflects the tremendous diversity of india , where most of its one billion followers reside . hinduism is more than a religion . it is a culture , a... | it has complex roots , and involves a vast array of practices and a host of deities . its plethora of forms and beliefs reflects the tremendous diversity of india , where most of its one billion followers reside . hinduism is more than a religion . | how plethora of forms and beliefs reflects the tremendous diversity of india ? |
be mysterious “ soyez mysterieuses , ” ( be mysterious ) , gauguin said . perhaps he had this command in mind when he produced the most significant painting—by his own reckoning—to come out of his first stay in tahiti , the spirit of the dead watching . few critics would doubt the importance of this work . its mysterio... | “ in the two years i have spent here , '' he wrote , `` with only a few months lost , i have produced sixty-six more or less fine canvases and a number of ultra-primitive sculptures . that is enough for any one man . '' a background of terror to herald his return to europe and also to rescue his family from penury , wi... | how common was the idea of a married man have a fourteen year old girlfriend in the 1890 's ? |
be mysterious “ soyez mysterieuses , ” ( be mysterious ) , gauguin said . perhaps he had this command in mind when he produced the most significant painting—by his own reckoning—to come out of his first stay in tahiti , the spirit of the dead watching . few critics would doubt the importance of this work . its mysterio... | notice , for example , the complex vantage point we hold . our gaze is level with the luminous eyes of the old woman , while at the same time , we look down at the figure of the young woman . a slightly indecent study of a nude we can also consider this painting within the tradition of the female nude and recall manet ... | where 's the old woman in the painting ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | instead , it must first be converted into chemical energy through the process of photosynthesis . what is photosynthesis ? photosynthesis is the process in which light energy is converted to chemical energy in the form of sugars . | why would you consider photosynthesis important ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | the calvin cycle , also called the light-independent reactions , takes place in the stroma and does not directly require light . instead , the calvin cycle uses $ \text { atp } $ and $ \text { nadph } $ from the light-dependent reactions to fix carbon dioxide and produce three-carbon sugars—glyceraldehyde-3-phosphate ,... | other than the addition of a phosphate group , how do nadh and nadph differ ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | instead , it must first be converted into chemical energy through the process of photosynthesis . what is photosynthesis ? photosynthesis is the process in which light energy is converted to chemical energy in the form of sugars . | is there an advantage to using nadph in the context of photosynthesis rather than nadh ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | small pores called stomata—singular , stoma—are found on the surface of leaves in most plants , and they let carbon dioxide diffuse into the mesophyll layer and oxygen diffuse out . each mesophyll cell contains organelles called chloroplasts , which are specialized to carry out the reactions of photosynthesis . within ... | why is the first photosystem depicted in photosynthesis diagrams called `` photosystem ii '' and the second photosystem called `` photosystem i '' ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | these bacteria gradually released oxygen into earth ’ s oxygen-poor atmosphere , and the increase in oxygen concentration is thought to have influenced the evolution of aerobic life forms—organisms that use oxygen for cellular respiration . if it hadn ’ t been for those ancient photosynthesizers , we , like many other ... | and what would happen if there was only one phosphate ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | the carbon that 's fixed and incorporated into sugars during photosynthesis can be used to build other types of organic molecules needed by cells . the ecological importance of photosynthesis photosynthetic organisms , including plants , algae , and some bacteria , play a key ecological role . they introduce chemical e... | what is the importance of bacteria on earth ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | different chemical reactions occur in the different parts of the chloroplast . the light-dependent reactions and the calvin cycle photosynthesis in the leaves of plants involves many steps , but it can be divided into two stages : the light-dependent reactions and the calvin cycle . the light-dependent reactions take p... | what does the pi stand for in the pictures describing light reactions and the calvin cycle ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | introduction have you hugged a tree lately ? if not , you might want to give it some thought . | why does grass turn yellow ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | many scientists believe that preserving forests and other expanses of vegetation is increasingly important to combat this rise in carbon dioxide levels . leaves are sites of photosynthesis plants are the most common autotrophs in terrestrial—land—ecosystems . all green plant tissues can photosynthesize , but in most pl... | how plants make protein and vitamins in their body ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | besides introducing fixed carbon and energy into ecosystems , photosynthesis also affects the makeup of earth ’ s atmosphere . most photosynthetic organisms generate oxygen gas as a byproduct , and the advent of photosynthesis—over $ 3 $ billion years ago , in bacteria resembling modern cyanobacteria—forever changed li... | can someone explain to me what are aerobic organisms are ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | the cells in a middle layer of leaf tissue called the mesophyll are the primary site of photosynthesis . small pores called stomata—singular , stoma—are found on the surface of leaves in most plants , and they let carbon dioxide diffuse into the mesophyll layer and oxygen diffuse out . each mesophyll cell contains orga... | what is a defination of stomata ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | instead , it must first be converted into chemical energy through the process of photosynthesis . what is photosynthesis ? photosynthesis is the process in which light energy is converted to chemical energy in the form of sugars . | is photosynthesis an equilibrium equation ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | many scientists believe that preserving forests and other expanses of vegetation is increasingly important to combat this rise in carbon dioxide levels . leaves are sites of photosynthesis plants are the most common autotrophs in terrestrial—land—ecosystems . all green plant tissues can photosynthesize , but in most pl... | so is it dark reaction for the plants that are at the bottom of the sea ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | the glucose molecules provide organisms with two crucial resources : energy and fixed—organic—carbon . energy . the glucose molecules serve as fuel for cells : their chemical energy can be harvested through processes like cellular respiration and fermentation , which generate adenosine triphosphate— $ \text { atp } $ ,... | why do n't catabolic reactions require this energy too ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | instead , it must first be converted into chemical energy through the process of photosynthesis . what is photosynthesis ? photosynthesis is the process in which light energy is converted to chemical energy in the form of sugars . | because photosynthesis occurs in plant cells , do we have plant cells in our body , if photosynthesis occurs in our body anyway ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | all green plant tissues can photosynthesize , but in most plants , but the majority of photosynthesis usually takes place in the leaves . the cells in a middle layer of leaf tissue called the mesophyll are the primary site of photosynthesis . small pores called stomata—singular , stoma—are found on the surface of leave... | why are mesophyll the primary site of photosynthesis ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | introduction have you hugged a tree lately ? if not , you might want to give it some thought . | i have a few questions : were cynobacteria the main cause of the oxigen holocaust ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | all organisms , including humans , need energy to fuel the metabolic reactions of growth , development , and reproduction . but organisms ca n't use light energy directly for their metabolic needs . instead , it must first be converted into chemical energy through the process of photosynthesis . | did organisms first use fermation processes or the citric acid cycle and the electron tranport chain ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | in the end , the energy that started out as light winds up trapped in the bonds of the sugars . photosynthesis vs. cellular respiration at the level of the overall reactions , photosynthesis and cellular respiration are near-opposite processes . they differ only in the form of energy absorbed or released , as shown in ... | is there any cool timeline available online on the evolution of cellular respiration , fermentation process and photosynthesis ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | the glucose molecules provide organisms with two crucial resources : energy and fixed—organic—carbon . energy . the glucose molecules serve as fuel for cells : their chemical energy can be harvested through processes like cellular respiration and fermentation , which generate adenosine triphosphate— $ \text { atp } $ ,... | how else to put the energy from glucose to use in the plant ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | the carbon that 's fixed and incorporated into sugars during photosynthesis can be used to build other types of organic molecules needed by cells . the ecological importance of photosynthesis photosynthetic organisms , including plants , algae , and some bacteria , play a key ecological role . they introduce chemical e... | are there any other organisms ( execpt plants and algae ) who can perform photosynthesis ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | different chemical reactions occur in the different parts of the chloroplast . the light-dependent reactions and the calvin cycle photosynthesis in the leaves of plants involves many steps , but it can be divided into two stages : the light-dependent reactions and the calvin cycle . the light-dependent reactions take p... | why is calvin cycle called calvin cycle ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | in the end , the energy that started out as light winds up trapped in the bonds of the sugars . photosynthesis vs. cellular respiration at the level of the overall reactions , photosynthesis and cellular respiration are near-opposite processes . they differ only in the form of energy absorbed or released , as shown in ... | how would you draw photosynthesis and cellular respiration on a leaf showing the full series of events for creating energy in photosynthetic organisms ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | leaves are sites of photosynthesis plants are the most common autotrophs in terrestrial—land—ecosystems . all green plant tissues can photosynthesize , but in most plants , but the majority of photosynthesis usually takes place in the leaves . the cells in a middle layer of leaf tissue called the mesophyll are the prim... | how is co2 entered into leaves of a plant ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | for instance , photosynthesis and cellular respiration both involve a series of redox reactions ( reactions involving electron transfers ) . in cellular respiration , electrons flow from glucose to oxygen , forming water and releasing energy . in photosynthesis , they go in the opposite direction , starting in water an... | how does transpiration ensure the continuous uptake of water ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | photosynthetic organisms also remove large quantities of carbon dioxide from the atmosphere and use the carbon atoms to build organic molecules . without earth ’ s abundance of plants and algae to continually suck up carbon dioxide , the gas would build up in the atmosphere . although photosynthetic organisms remove so... | what are the levels of organization in plants ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | in photosynthesis , they go in the opposite direction , starting in water and winding up in glucose—an energy-requiring process powered by light . like cellular respiration , photosynthesis also uses an electron transport chain to make a $ \text { h } ^+ $ concentration gradient , which drives $ \text { atp } $ synthes... | is this right : xylem goes through passive transport and phloem goes through passive and active transport ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | introduction have you hugged a tree lately ? if not , you might want to give it some thought . | what does xylem and phloem do ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | for instance , photosynthesis and cellular respiration both involve a series of redox reactions ( reactions involving electron transfers ) . in cellular respiration , electrons flow from glucose to oxygen , forming water and releasing energy . in photosynthesis , they go in the opposite direction , starting in water an... | how do the xylem and phloem support water and nutrient transport ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | instead , it must first be converted into chemical energy through the process of photosynthesis . what is photosynthesis ? photosynthesis is the process in which light energy is converted to chemical energy in the form of sugars . | what factors affect the rate of photosynthesis ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | instead , it must first be converted into chemical energy through the process of photosynthesis . what is photosynthesis ? photosynthesis is the process in which light energy is converted to chemical energy in the form of sugars . | how does light effect photosynthesis ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecosystems . | i 'm working on the impact of coloured leds in growing plants and wondered why magenta light makes the plants grow faster , is it just to do with the chlorophylle absorbing more light as it 's green or is there more too it ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | heterotrophs must get fixed carbon by eating other organisms or their by-products . animals , fungi , and many prokaryotes and protists are heterotrophs . besides introducing fixed carbon and energy into ecosystems , photosynthesis also affects the makeup of earth ’ s atmosphere . | 34 atp 's are produced by how many chloroplasts ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | instead , the calvin cycle uses $ \text { atp } $ and $ \text { nadph } $ from the light-dependent reactions to fix carbon dioxide and produce three-carbon sugars—glyceraldehyde-3-phosphate , or g3p , molecules—which join up to form glucose . overall , the light-dependent reactions capture light energy and store it tem... | what is the difference between nadph and nadh ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | instead , it must first be converted into chemical energy through the process of photosynthesis . what is photosynthesis ? photosynthesis is the process in which light energy is converted to chemical energy in the form of sugars . | bearing in mind that red light is the most absorbed spectrum during photosynthesis , suppose we change some of our street lights that are nearby to trees to red leds , will we see an enhancement in photosynthesis and reduction of atmospheric co2 ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | introduction have you hugged a tree lately ? if not , you might want to give it some thought . | or are there any possible adverse effect depending upon the trees due to sudden disruption in the tree 's 'sleep cycles ' ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | instead , it must first be converted into chemical energy through the process of photosynthesis . what is photosynthesis ? photosynthesis is the process in which light energy is converted to chemical energy in the form of sugars . | so is it possible that photosynthesis can work at night do to dark reaction ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | all green plant tissues can photosynthesize , but in most plants , but the majority of photosynthesis usually takes place in the leaves . the cells in a middle layer of leaf tissue called the mesophyll are the primary site of photosynthesis . small pores called stomata—singular , stoma—are found on the surface of leave... | if the variegated leaf has drops of iodine solution added to it , what will the results be ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | leaves are sites of photosynthesis plants are the most common autotrophs in terrestrial—land—ecosystems . all green plant tissues can photosynthesize , but in most plants , but the majority of photosynthesis usually takes place in the leaves . the cells in a middle layer of leaf tissue called the mesophyll are the prim... | can you answer why are plants green ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | instead , it must first be converted into chemical energy through the process of photosynthesis . what is photosynthesis ? photosynthesis is the process in which light energy is converted to chemical energy in the form of sugars . | what part of the cell does photosynthesis take place in ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | the glucose molecules provide organisms with two crucial resources : energy and fixed—organic—carbon . energy . the glucose molecules serve as fuel for cells : their chemical energy can be harvested through processes like cellular respiration and fermentation , which generate adenosine triphosphate— $ \text { atp } $ ,... | what is the ultimate source of energy ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | the glucose molecules provide organisms with two crucial resources : energy and fixed—organic—carbon . energy . the glucose molecules serve as fuel for cells : their chemical energy can be harvested through processes like cellular respiration and fermentation , which generate adenosine triphosphate— $ \text { atp } $ ,... | is there a way where plants can make energy without photosynthesis ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | different chemical reactions occur in the different parts of the chloroplast . the light-dependent reactions and the calvin cycle photosynthesis in the leaves of plants involves many steps , but it can be divided into two stages : the light-dependent reactions and the calvin cycle . the light-dependent reactions take p... | what is oxidized and reduced in both the light dependent and the calvin cycle ? |
introduction have you hugged a tree lately ? if not , you might want to give it some thought . you , along with the rest of the human population , owe your existence to plants and other organisms that capture light . in fact , most life on earth is possible because the sun provides a continuous supply of energy to ecos... | the cells in a middle layer of leaf tissue called the mesophyll are the primary site of photosynthesis . small pores called stomata—singular , stoma—are found on the surface of leaves in most plants , and they let carbon dioxide diffuse into the mesophyll layer and oxygen diffuse out . each mesophyll cell contains orga... | who found psi and psii ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | the mass number is an integer , since we always count whole numbers of protons and neutrons ( that is , you ca n't have 1.05 protons , or 0.27 neutrons ) . the mass number is also , usually , written as being unitless . in comparison , the atomic mass is only a whole number if you round to the nearest integer , and ato... | also , what are quarks , gluons , mesons and bosons ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | in comparison , atomic mass refers to the mass of a specific isotope . we use atomic masses to calculate the atomic weight of a given element . let 's now further consider the atomic weight of chlorine . | at the end of this reading material , when determining the atomic weight of zirconium , why is the answer to the product of ( 0.0280 x 95.908u ) equal 2.68u and not 2.69u ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | keep in mind that for neutral atoms , the net charge is zero , and nothing will be written in this space . atomic mass vs. mass number atomic mass is a concept that is very closely related to mass number . the atomic mass is the mass of a specific isotope of an element expressed in units of $ \ , \text { u } $ or $ \te... | what does mass spectrometry have to do with forensics ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | this gives an atom its stability , and we can think about this mathematically using coulomb 's law . on a very simplistic level , we can represent an atom using figure 1 : we count two protons in the nucleus of this atom , which means that our atom has an atomic number ( $ \text z $ ) of $ 2 $ . since the identity of a... | how to know if an atom is neutral or not ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | they differ , however , in the number of neutrons in their nuclei , which causes them to have different masses . particle masses and unified atomic mass units atoms are extremely tiny , and the particles within atoms are even tinier . while we can talk about the masses of atoms and particles in terms of everyday units ... | what is a subatomic particle ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | if we were to zoom in further using our very technologically advanced and imaginary chemistry goggles , we 'd be able to see that the atom itself is made out of subatomic particles with specific properties . an atom is composed of protons , neutrons , and electrons . a proton carries a $ 1 $ $ + $ charge , an electron ... | how were the masses of electrons , neutrons and protons determined ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | these average masses are referred to as atomic weights . in comparison , atomic mass refers to the mass of a specific isotope . we use atomic masses to calculate the atomic weight of a given element . | for the mass spectrum graph of zirconium , why is the mass of each isotope given on the x-axis instead of the actual m/z ratio ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . | if the atomic weight given in periodic table is an average of the mass of its isotopes then it should be changing because new isotopes are getting discovered with each passing day ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | mass number and isotope notation now that we have an understanding of the different masses and charges of protons , neutrons , and electrons , we can discuss the concept of mass number . by definition , the mass number is simply equal to the number of protons plus the number of neutrons in the nucleus . $ \text { mass ... | do the protium , deutetium and tritum have any difference besides the number of neutron ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | keep in mind , however , that the masses of the electrons are so small in comparison to the masses of the protons and neutrons in the nucleus that we can simply ignore the electrons ' masses altogether . mass number and isotope notation now that we have an understanding of the different masses and charges of protons , ... | how will the charge even contribute if the every isotope has the same number of protons ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | a proton carries a $ 1 $ $ + $ charge , an electron carries a $ 1 $ $ - $ charge , and a neutron carries $ 0 $ charge . the nucleus is made up of protons and neutrons , and electrons are localized outside the nucleus . since electrons have a negative charge , they are attracted to the positively charged protons in the ... | what do you mean when you say `` in order for the nucleus to be stable '' ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | the nucleus is made up of protons and neutrons , and electrons are localized outside the nucleus . since electrons have a negative charge , they are attracted to the positively charged protons in the nucleus . this gives an atom its stability , and we can think about this mathematically using coulomb 's law . | if that is so , then why/how do electrons have enough charge to negate the effects of protons ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | an atom is composed of protons , neutrons , and electrons . a proton carries a $ 1 $ $ + $ charge , an electron carries a $ 1 $ $ - $ charge , and a neutron carries $ 0 $ charge . the nucleus is made up of protons and neutrons , and electrons are localized outside the nucleus . | is there some sort of `` charge density '' ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | this is because protons and neutrons are much more massive than electrons . for example , a proton has a mass of $ 1.673\times10^ { -27 } \text { kg } $ , or $ 1.007\text { u } $ . a neutron is slightly heavier , with a mass of $ 1.675\times10^ { -27 } \text { kg } $ , or $ 1.009\text { u } $ . | was there a special reason why 1 u was the mass of a carbon proton ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . | how are isotopes used in diagnosis and treatment in medicine ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | $ \text { mass number } = ( \text { # protons } ) + ( \text { # neutrons } ) $ just as the atomic number defines an element , we can think of the mass number as defining the specific isotope of a particular element . in fact , a common way of specifying an isotope is to use the notation `` element name-mass number '' s... | should n't the mass of a carbon-12 atom be slightly larger since 6x1.007 + 6x1.009 + 6x5.486x10^ ( -4 ) > 12 ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | while we can talk about the masses of atoms and particles in terms of everyday units such as grams and kilograms , it is much more convenient to use a very tiny unit of mass to discuss such very tiny things . that unit is known as $ \text { u } $ , which stands for unified atomic mass unit . by definition , $ 1\text { ... | how do we define atomic mass unit ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | another term that students often might find confusingly similar to atomic mass and mass number is atomic weight , which is also a related but different term . do n't worry , though , we will discuss atomic weight in the following section ! relative abundance and atomic weight there are two stable isotopes of chlorine :... | in relative abundance and atomic weight it is written that the 'half life ' of chlorine-36 is 301,000 years ... ... what exactly is meant by 'half life ' ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | an electron , on the other hand , has a mass of only $ 9.109\times10^ { -31 } \text { kg } $ , or $ 5.486\times10^ { -4 } \text { u } $ . we can summarize this information in the following table : name | charge | symbol | mass $ ( \text { kg } ) $ | mass $ ( \text { u } ) $ | location : - : | : - : | : - : | : - : | : ... | can a single proton form an ion , meaning that we take away the electron from a hydrogen-1 atom ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | concept check : bromine has two stable isotopes—bromine-79 and bromine-81 . the relative abundance of each isotope is 50.70 % and 49.30 % , respectively . is the atomic weight of bromine closest to 79 , 80 , or 81 $ \text { u } $ ? | why is the relative abundance of an isotope important ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | this gives an atom its stability , and we can think about this mathematically using coulomb 's law . on a very simplistic level , we can represent an atom using figure 1 : we count two protons in the nucleus of this atom , which means that our atom has an atomic number ( $ \text z $ ) of $ 2 $ . since the identity of a... | why electron does not fall inside the nucleus of an atom ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | the answer has to do with the fact that different isotopes have different relative abundances , meaning that some isotopes are more naturally abundant on earth than others . in the case of chlorine , chlorine-35 has a relative abundance of 75.76 % , whereas chlorine-37 has a relative abundance of 24.24 % . note that re... | when defining relative abundance , why is n't percentage instead of `` fraction '' ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | concept check : bromine has two stable isotopes—bromine-79 and bromine-81 . the relative abundance of each isotope is 50.70 % and 49.30 % , respectively . is the atomic weight of bromine closest to 79 , 80 , or 81 $ \text { u } $ ? | what is the meaning of relative abundance of an isotope ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | this gives an atom its stability , and we can think about this mathematically using coulomb 's law . on a very simplistic level , we can represent an atom using figure 1 : we count two protons in the nucleus of this atom , which means that our atom has an atomic number ( $ \text z $ ) of $ 2 $ . since the identity of a... | *does the instability of a nucleus make that atom radioactive ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | also , the higher the charge on the ion , the more it will be deflected . the amount that the ions are deflected is inversely proportional to their mass-to-charge ratio , $ \dfrac { m } { z } $ , where $ m $ is equal to the mass of the ion and $ z $ is equal to the charge . the detector records the $ \dfrac { m } { z }... | why the amount that the ions are deflected is inversely proportional to their mass-to-charge ratio ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | an electron , on the other hand , has a mass of only $ 9.109\times10^ { -31 } \text { kg } $ , or $ 5.486\times10^ { -4 } \text { u } $ . we can summarize this information in the following table : name | charge | symbol | mass $ ( \text { kg } ) $ | mass $ ( \text { u } ) $ | location : - : | : - : | : - : | : - : | : ... | where did the superscript -27 come from ( 1.673 x 10 superscript -27 ) ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | a neutron is slightly heavier , with a mass of $ 1.675\times10^ { -27 } \text { kg } $ , or $ 1.009\text { u } $ . an electron , on the other hand , has a mass of only $ 9.109\times10^ { -31 } \text { kg } $ , or $ 5.486\times10^ { -4 } \text { u } $ . we can summarize this information in the following table : name | c... | and i have heard sal talk about something like , the whole concept of electron is based on probability theory , how then were you able to calculate the mass of an atom 's electron to = 9.109 x 10 superscript -31 kg ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | atomic weights are weighted averages calculated by multiplying the relative abundance of each isotope by its atomic mass and then summing up all the products . the relative abundances of each isotope can be determined using mass spectrometry . a mass spectrometer ionizes atoms and molecules with a high-energy electron ... | does spectrometry have anything to with quantum physics ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | using that information , we can calculate the number of neutrons in an atom of carbon-12 as follows . we can rearrange the equation for mass number to solve for the number of neutrons : $ \begin { align } \text { # neutrons } & amp ; = \text { mass number } - ( \text { # protons } ) \ \ & amp ; =12-6 \ \ & amp ; =6\ , ... | since a carbon-12 atom consists of 6 neutron and 6 protons ( and also 6 electrons ) shouldnt it have a higher weight than 12 u ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | keep in mind that for neutral atoms , the net charge is zero , and nothing will be written in this space . atomic mass vs. mass number atomic mass is a concept that is very closely related to mass number . the atomic mass is the mass of a specific isotope of an element expressed in units of $ \ , \text { u } $ or $ \te... | how can 34.969u be the atomic mass of cl-35 ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | however , they are different ! the mass number is an integer , since we always count whole numbers of protons and neutrons ( that is , you ca n't have 1.05 protons , or 0.27 neutrons ) . the mass number is also , usually , written as being unitless . | if cl-35 isotope has 17 protons and 18 neutrons , and protons and neutrons all have masses greater than 1u , then the mass must be higher than 35u ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | keep in mind that for neutral atoms , the net charge is zero , and nothing will be written in this space . atomic mass vs. mass number atomic mass is a concept that is very closely related to mass number . the atomic mass is the mass of a specific isotope of an element expressed in units of $ \ , \text { u } $ or $ \te... | same issue with cl-37 , should n't the mass be greater than 37u ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | using that information , we can calculate the number of neutrons in an atom of carbon-12 as follows . we can rearrange the equation for mass number to solve for the number of neutrons : $ \begin { align } \text { # neutrons } & amp ; = \text { mass number } - ( \text { # protons } ) \ \ & amp ; =12-6 \ \ & amp ; =6\ , ... | what are the neutrons for ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | the instrument then generates a mass spectrum for the sample , which plots relative abundance against the mass-to-charge ratio , $ \dfrac { m } { z } $ . concept check : a sample of copper is injected into a mass spectrometer . after the sample is vaporized and ionized , the ions $ ^ { 63 } \text { cu } ^ { 2+ } $ and ... | how would a chemist know if the sample put in to the spectrometer is represantative of how much these isotopes occur on earth ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | these electrons are powerful enough to knock electrons off atoms in the sample , which creates cationic versions of the sample . these cations are then accelerated through electric plates and subsequently deflected by a magnetic field . once the ions reach the magnetic field , they are deflected different amounts depen... | why do the particles need to be accelerated ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | keep in mind that for neutral atoms , the net charge is zero , and nothing will be written in this space . atomic mass vs. mass number atomic mass is a concept that is very closely related to mass number . the atomic mass is the mass of a specific isotope of an element expressed in units of $ \ , \text { u } $ or $ \te... | would n't it be more correct to refer to atomic mass numbers and average atomic mass number instead of atomic mass numbers and atomic weight ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | the atomic mass is the mass of a specific isotope of an element expressed in units of $ \ , \text { u } $ or $ \text { amu } $ . since the mass of a neutron and the mass of a proton are both very , very close to 1 $ \text { amu } $ , the atomic mass of an isotope is often very close to the mass number . however , they ... | why is the neutron slightly greater in mass than a proton ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | also , since the relative abundance of an isotope is determined experimentally using samples , does the officially recognized atomic weight of an element change as more samples are analyzed and added to the data set ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | keep in mind that for neutral atoms , the net charge is zero , and nothing will be written in this space . atomic mass vs. mass number atomic mass is a concept that is very closely related to mass number . the atomic mass is the mass of a specific isotope of an element expressed in units of $ \ , \text { u } $ or $ \te... | what is a mole and how many moles in 64g of s8.also what is the relationship between mass and mole ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calculated by multiplying the relative abundance of each isotope by its atomic mass and then summing up all the product... | 'the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass'what does this mean ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | these average masses are referred to as atomic weights . in comparison , atomic mass refers to the mass of a specific isotope . we use atomic masses to calculate the atomic weight of a given element . | i understand that the addition of neutrons creates an isotope without changing the identity of the element , but does the addition of neutrons serve any sort of purpose besides increasing atomic mass ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | this gives an atom its stability , and we can think about this mathematically using coulomb 's law . on a very simplistic level , we can represent an atom using figure 1 : we count two protons in the nucleus of this atom , which means that our atom has an atomic number ( $ \text z $ ) of $ 2 $ . since the identity of a... | does the addition of neutron make the isotope capable of doing something that a neutral atom could n't do ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | using that information , we can calculate the number of neutrons in an atom of carbon-12 as follows . we can rearrange the equation for mass number to solve for the number of neutrons : $ \begin { align } \text { # neutrons } & amp ; = \text { mass number } - ( \text { # protons } ) \ \ & amp ; =12-6 \ \ & amp ; =6\ , ... | why are the neutrons there ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | keep in mind that for neutral atoms , the net charge is zero , and nothing will be written in this space . atomic mass vs. mass number atomic mass is a concept that is very closely related to mass number . the atomic mass is the mass of a specific isotope of an element expressed in units of $ \ , \text { u } $ or $ \te... | is the nuclear strong force disproportional to the mass or something ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | let 's now further consider the atomic weight of chlorine . as we said before , chlorine has two stable isotopes : chlorine-35 and chlorine-37 . the atomic weight of chlorine given on the periodic table is 35.45 $ \text { u } $ . | for example , since chlorine-36 is unstable , why is chlorine-35 , with less binding energy and identical charge , not also unstable ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | the answer has to do with the fact that different isotopes have different relative abundances , meaning that some isotopes are more naturally abundant on earth than others . in the case of chlorine , chlorine-35 has a relative abundance of 75.76 % , whereas chlorine-37 has a relative abundance of 24.24 % . note that re... | why does n't chlorine-36 have a percentage in the relative abundance ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | keep in mind that for neutral atoms , the net charge is zero , and nothing will be written in this space . atomic mass vs. mass number atomic mass is a concept that is very closely related to mass number . the atomic mass is the mass of a specific isotope of an element expressed in units of $ \ , \text { u } $ or $ \te... | energy equals mass times ( speed of light ) 2 so for a photon , e=0* ( speed of light ) squared , then does n't light , theoretically , have no energy ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | keep in mind that for neutral atoms , the net charge is zero , and nothing will be written in this space . atomic mass vs. mass number atomic mass is a concept that is very closely related to mass number . the atomic mass is the mass of a specific isotope of an element expressed in units of $ \ , \text { u } $ or $ \te... | explain again for me why magnesium gives three peaks in its mass spectrum ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | keep in mind that for neutral atoms , the net charge is zero , and nothing will be written in this space . atomic mass vs. mass number atomic mass is a concept that is very closely related to mass number . the atomic mass is the mass of a specific isotope of an element expressed in units of $ \ , \text { u } $ or $ \te... | why we related carbon-12 mass why not hydrogen ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . | how do we know that the electron beam knocks the same amount of electrons from different isotopes ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | these average masses are referred to as atomic weights . in comparison , atomic mass refers to the mass of a specific isotope . we use atomic masses to calculate the atomic weight of a given element . | could it be posible that an isotope with a bigger atomic mass losses more electrons and therefore suffers a greater deflection by the magnet regardless its weight ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | which ion is deflected more inside the spectrometer ? analyzing the mass spectrum of zirconium let 's suppose we analyzed a sample of elemental zirconium , atomic number 40 , using mass spectrometry . after putting the sample through the instrument , we would get a mass spectrum that looks like figure 4 , where the hei... | can anyone explain to me why the mass of zirconium-90 ( just as an example taken from the problem ) is 89.905u , rather than 90u ? |
key points : atoms that have the same number of protons but different numbers of neutrons are known as isotopes . isotopes have different atomic masses . the relative abundance of an isotope is the fraction of a single element that exists on earth with a specific atomic mass . atomic weights are weighted averages calcu... | keep in mind that for neutral atoms , the net charge is zero , and nothing will be written in this space . atomic mass vs. mass number atomic mass is a concept that is very closely related to mass number . the atomic mass is the mass of a specific isotope of an element expressed in units of $ \ , \text { u } $ or $ \te... | is this accounting for mass lost through energy expenditure ; and if it is , how can you calculate and account for it in other elements ? |
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